Tonsillitis in children is usually a bacterial infection, which may be Staphylococcus aureus, Streptococcus hemolyticus, Streptococcus pneumoniae, Meningococcus, etc. The tonsils are red and swollen, and ulcers and pus spots can be seen on the surface. Children with tonsillitis can take cephalosporin antibiotics, penicillin antibiotics or macrolide antibiotics, or they can choose effective antibiotics based on drug sensitivity tests. For fever, you can take ibuprofen suspension, acetaminophen, and for high fever, you can use pediatric antipyretic suppositories.